Finding the Fourth Proportional to 427,679,587.13, 590,197,830.23 and 232,109,299.13
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Solution
The fourth proportional to 427,679,587.13, 590,197,830.23 and 232,109,299.13 is: 320,310,832.79
Step by Step Solution
- Step 1: Write the proportion equation
427,679,587.13 : 590,197,830.23 = 232,109,299.13 : x - Step 2: Convert to fraction form
427,679,587.13/590,197,830.23 = 232,109,299.13/x - Step 3: Cross multiply
427,679,587.13x = 590,197,830.23 × 232,109,299.13 - Step 4: Simplify right side
427,679,587.13x = 136,990,404,720,361,296 - Step 5: Solve for x
x = 136,990,404,720,361,296/427,679,587.13 - Step 6: Final answer
x = 320,310,832.79
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.